Glenfiddich 15 Year Old is a single malt Scotch whisky produced in the Speyside region of Scotland. Aged for 15 years, it is known for its rich and complex flavor profile, which includes notes of dried fruit, spice, and oak. The whisky is matured in a combination of American oak, European oak, and sherry casks, contributing to its unique character. This expression is part of the Glenfiddich range, one of the best-selling single malt whiskies worldwide. It is often praised for its smoothness and balance, making it a popular choice for both whisky enthusiasts and newcomers alike.